23291685790 has 16 divisors (see below), whose sum is σ = 41929870320. Its totient is φ = 9315599680.

The previous prime is 23291685779. The next prime is 23291685803. The reversal of 23291685790 is 9758619232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40156 + ... + 219535.

It is an arithmetic number, because the mean of its divisors is an integer number (2620616895).

Almost surely, 2^23291685790 is an apocalyptic number.

23291685790 is a deficient number, since it is larger than the sum of its proper divisors (18638184530).

23291685790 is a wasteful number, since it uses less digits than its factorization.

23291685790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268667.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 23291685790 in words is "twenty-three billion, two hundred ninety-one million, six hundred eighty-five thousand, seven hundred ninety".